5165986 has 16 divisors (see below), whose sum is σ = 9322560. Its totient is φ = 2097360.

The previous prime is 5165983. The next prime is 5165987. The reversal of 5165986 is 6895615.

It is a super-2 number, since 2×5165986² = 53374822704392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5165983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9445 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (582660).

Almost surely, 2^5165986 is an apocalyptic number.

5165986 is a deficient number, since it is larger than the sum of its proper divisors (4156574).

5165986 is a wasteful number, since it uses less digits than its factorization.

5165986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449.

The product of its digits is 64800, while the sum is 40.

The square root of 5165986 is about 2272.8805511949. The cubic root of 5165986 is about 172.8692475448.

The spelling of 5165986 in words is "five million, one hundred sixty-five thousand, nine hundred eighty-six".